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Finding the Fourth Proportional to 56,604.60, 84,906.90 and 30,360.60

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Solution

The fourth proportional to 56,604.60, 84,906.90 and 30,360.60 is: 45,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,604.60 : 84,906.90 = 30,360.60 : x
  2. Step 2: Convert to fraction form
    56,604.60/84,906.90 = 30,360.60/x
  3. Step 3: Cross multiply
    56,604.60x = 84,906.90 × 30,360.60
  4. Step 4: Simplify right side
    56,604.60x = 2,577,824,428.14
  5. Step 5: Solve for x
    x = 2,577,824,428.14/56,604.60
  6. Step 6: Final answer
    x = 45,540.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.